19(iv) Identify the reason for the gradual change in electronegativity

1.	19(iv) Identify the reason for the gradual change in electronegativity in halogens down the group.a) Electronegativity increases down the group due to decrease in atomic size.b) Electronegativity decreases down the group due to decrease in tendency to loseelectrons.c) Electronegativity decreases down the group due to increase in atomic radius/tendencyto gain electron decreases.d) Electronegativity increases down the group due to increase in forces of attractionbetween nucleus and valence electrons.
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19(iv) Identify the reason for the gradual change in electronegativity in halogens down the group.a) Electronegativity increases down the group due to decrease in atomic size.b) Electronegativity decreases down the group due to decrease in tendency to loseelectrons.c) Electronegativity decreases down the group due to increase in atomic radius/tendencyto gain electron decreases.d) Electronegativity increases down the group due to increase in forces of attractionbetween nucleus and valence electrons.

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